OpenTechnical

OT-2026-000018076

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, pulsed blow-off before set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000018076) never changes.

Identity and time

Publication numberOT-2026-000018076 · never reused
Internal UUID01a0ae6e-96fd-76c6-98b2-9112ead724fd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018076
StatusPUBLIC

Content hashes

Canonical textf8344235dd67587ff672b79a6d19843af1852f2a16bd7234b1a319d4b26b8b6f
Markdownadae7f739fdb34c0a908aa9f493713f70e70ab7491c0a77fb24433d32f4e2308
PDF
Publication page3bbf4dfcbdfba4485e519a1937afaadfaa19d4577e012fb0e1aaeeae761a453f
Manifest5de3201ff481f5f8929bc9de246bafde4a752beaac07973bec6f84633d4b9b55

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureR0VEA/dp9H8zLNAb3bHQK5eTGYyaezJbMsjC1HAWkmuOakacldTQeDRReBJqE/skVcCjWv96nnl7KtcIdUHkDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:02:07.065548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018076
observed 3bbf4dfcbdfba4485e519a1937afaadf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:07.048650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018076/manifest.json
observed 5de3201ff481f5f8929bc9de246bafde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:07.031393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018076/publication.md
observed adae7f739fdb34c0a908aa9f493713f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:07.014572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018076/publication.txt
observed f8344235dd67587ff672b79a6d19843a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.